You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Gregory Hall. I need to attend my business meeting in SFO.

ASSISTANT: Ok.

USER: Can you help me in booking a ticket from HOU?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are from 09/13 to 09/15.

ASSISTANT: Gregory, please give me a moment.

USER: Ok.

ASSISTANT: Frontier airline with flight number 1009 is matching with your required criteria, shall I proceed with the booking?

USER: Please book my ticket.

ASSISTANT: Gregory, your ticket has booked.

USER: Thank you for your help.

ASSISTANT: Welcome. Thank you for reaching us, have a safe journey.