You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please look for a flight on Feb 26th to travel to Phoenix?

ASSISTANT: Sure, I will assist you with that. Could you please mention your preferable airport code names?

USER: I will fly from IAH airport to reach PHX.

ASSISTANT: Is there any return trip that your planning to IAH?

USER: I will be return back on Feb 28th.

ASSISTANT: May I know your name for further process?

USER: My name is Nicole Parker.

ASSISTANT: Is there any additional preferences do you have?

USER: Please look for an economy class seat.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.