You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I be of your assistance today?

USER: I am planning to visit the Houston Zoo at Houston, so please help me in booking a flight ticket from TX - IAH.

ASSISTANT: Sure, we are here to aid you. Where are heading to?

USER: My source is TX - HOU.

ASSISTANT: When did you schedule your trip?

USER: I want to fly on 06/02 and return on 06/04.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Sarah Martinez.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time, we found a plane 1009 of Spirit airline with a connecting flight. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Reservation is done with your name Sarah Martinez.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.