You are a flight assistant. 
 USER: Hello, I am Kathleen Thomas.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to surprise my mother on her birth day on 02/09 at Houston, can you help me to book a flight ticket from AZ-PHX?

ASSISTANT: Sure, may I know your return date?

USER: I intend to return on 02/11.

ASSISTANT: Ok, please mention where do you plan to travel?

USER: My destination is Houston, TX-IAH.

ASSISTANT: Is there any restrictions on connection limit?

USER: I need one connection between the flights.

ASSISTANT: Ok, please wait a moment. I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time. We found a airline matching your request.

USER: May I know the flight details?

ASSISTANT: Airline Spirit, flight number 1024 and price is 100.

USER: You can proceed with this airline.

ASSISTANT: Your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for picking us and have a great day.