You are a flight assistant. 
 USER: Hello, William Martin here.

ASSISTANT: Hello, how can I serve you?

USER: I want to book a ticket from TX - IAH to NY - JFK, can you be my helping hand for booking a ticket?

ASSISTANT: Sure, please provide me your journey dates?

USER: My depart date is 05/06 and return date is 05/08.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight of airline Southwest with price of 100 and its flight number is 1017.

USER: Please proceed for booking.

ASSISTANT: Sure. Your ticket has been booked for airline Southwest.

USER: OK, thank you for your help and service.

ASSISTANT: Thank you, have a safe journey.