You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my childhood friend in Phoenix. Can you please book a flight ticket from CLT?

ASSISTANT: Sure, I am here to help you. Can I know on which dates  you want to travel?

USER: Sure, my planned journey dates are May 22 and 24.

ASSISTANT: Ok, do you need any connection  in between the journey?

USER: I need a connected flight.

ASSISTANT: Ok, please share your destination point.

USER: Sure, it is PHX.

ASSISTANT: Do you have any other preferences?

USER: My depart time is evening.

ASSISTANT: Please share your class preference.

USER: I prefer to travel in economy class.

ASSISTANT:        Can I have your name to proceed further?

USER: Sure, my name is Samuel Davis.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: That's Ok, thanks for your service.

ASSISTANT: Thank you for reaching us, have a good day.