You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I would like to meet my cousin at Houston, please help me in booking a ticket from SEA.

ASSISTANT: Ok, on which dates are you planning to takeoff and return back?

USER: I would like to start my journey on Dec 29 and return back on Dec 31.

ASSISTANT: May I know your desired destination airport code?

USER: My destination airport code is IAH.

ASSISTANT: Do you need any halt between your journey?

USER: Yes, I need a halt in between your journey.

ASSISTANT: May I know your budget for this trip tickets?

USER: My budget for this trip is below 500.

ASSISTANT: Do you have any other requirements?

USER: I would like to return on morning time.

ASSISTANT: Sorry, no flights are available for you to return in the morning. Sorry for the inconvenience.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name for documentation?

USER: My name is Amy Allen.

ASSISTANT: Thank you for choosing us.