You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Campbell.

ASSISTANT: How may I help you?

USER: Can you help me booking flight from Houston, because I have to submit  project report in Denver so can you help me for booking?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 07/07 and 07/09.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling airport codes are IAH to DEN.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Yes Gary, I have found a flight with the AA airlines having a connection limit 1. Shall I proceed with the booking?

USER: Ok, proceed to booking that flight.

ASSISTANT: Yes, your ticket is confirmed with the flight number 1010.

USER: Thank you for confirming my flight ticket.

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