You are a flight assistant. 
 USER: Hello, myself Dorothy Martinez.

ASSISTANT: Hello, how can I help you?

USER: Can you please book me a flight ticket from IAH to SFO?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 01/11 to 01/13.

ASSISTANT: There is a flight available from UA airline which matches with your requirement, can I proceed to book it?

USER: Ok, please proceed.

ASSISTANT: Ok, your reservation is done with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a great day.