You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I would like to participate in a mobile food distribution event, will be conducted by soldiers at Houston. Can you do the reservation?

ASSISTANT: Sure, may I know your travelling dates?

USER: Dates are 01/13 and 01/15.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are SEA-HOU.

ASSISTANT: May I know your name?

USER: John Smith here.

ASSISTANT: We found a flight on southwest airline, flight number as 1009 with the fare of 200.

USER: Please do the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.