You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Raymond Scott here. I would like to book a ticket from IAH to SFO, can you please help me with that?

ASSISTANT: Sure, can I know your preferable dates?

USER: The travel dates are from 03/09 to 03/11.

ASSISTANT: I found a flight 1020 of Southwest airlines matches with your preferences, can I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.