You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help can I do for you?

USER: I want to book a ticket on the name Pamela Martin, can you please help me?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, its from PHX to the fun city Vegas LAS.

ASSISTANT: Which dates would you prefer to travel?

USER: I want ticket to be booked for the dates 05/25 and 05/27.

ASSISTANT: May I know your good name please? As per your request flight from UA airlines is available for you.

USER: I want to travel in direct flight, please make sure of it.

ASSISTANT: Sorry to inform you that there is no direct flight available for you.

USER: No issues, I will look for an alternative, thank you for the your valuable time for giving the service.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.

ASSISTANT: Have a nice day.

USER: Thank you.