You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am William Clark. I am looking for a flight from IAD to PHX, can you please help me in booking?

ASSISTANT: Sure, I am glad to help you. Please provide me your trip dates.

USER: My trip dates are from 05/08 till 05/10.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Southwest airlines, can I proceed with it?

USER: Please proceed for further.

ASSISTANT: Your ticket has been booked with 1029 flight.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.