You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am Richard Turner. I am planning to meet my friend at NASA space center for my new project, help me in booking my flight ticket to Houston.

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes will be CA-SFO to TX-IAH.

ASSISTANT: Can you please let me know your journey dates?

USER: My journey dates will be from 07/21 to 07/23.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a break in between the journey.

ASSISTANT: Thanks for being waiting, there is a flight found with Hawaiian airline of flight number 1020 and fare is 100. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thanks for connecting us, have a great journey.