You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Scott Thompson. I want to book a ticket from IAH to SFO, can you please help me to book a ticket?

ASSISTANT: Sure, please tell me the dates of travel?

USER: My trip dates are from 09/30 to 10/02.

ASSISTANT: There is a flight available for you at price 900. Shall I proceed for booking?

USER: Can I please know the cost of flight?

ASSISTANT: The price is 900.

USER: Ok, please book my ticket.

ASSISTANT: Ok, your ticket has been booked with UA airline and the flight number is 1026.

USER: Thank you.

ASSISTANT: Thank you, have a good day.