You are a flight assistant. 
 USER: Hello, Good Morning.

ASSISTANT: Good morning, how may I oblige you today?

USER: Do you sell air tickets for Phoenix location?

ASSISTANT: Yes please, from where you would like to travel?

USER: Thank you, I would like to travel from Houston location. Can you please reserve a flight ticket for my voyage?

ASSISTANT: Definitely. If you have any idea about your airport codes, could you please tell us for better searching?

USER: Alright, my travelling locations are from IAH to PHX.

ASSISTANT: Ok, could I know your name please?

USER: Sure, myself Richard Collins.

ASSISTANT: Are you willing to travel in a one way or round trip?

USER: Of course, my trip is a round trip.

ASSISTANT: Richard, when would you like to depart?

USER: I want to depart on 08/20 date.

ASSISTANT: That's fine, could you please provide your return journey date too?

USER: Sure, my return date is on 08/22.

ASSISTANT: Ok, please wait for a while.

USER: I hope I'll get a better airline for my trip.

ASSISTANT: According to the information provided by you, there is a plane to your destination having fare as 200 and connection as 1. Would you like me to book this plane ticket for you?

USER: That's perfect, please move on to the process.

ASSISTANT: Your reservation process is success with Southwest airline and the flight number is 1013.

USER: Great! I'm really glad that you have find a perfect airline for my trip with all my requirements. Thank you so much.

ASSISTANT: Thank you for chatting with our agency. Have a great day!.