You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Stephen Campbell.

ASSISTANT: May I know, How can I be your helping hand?

USER: I am planning to visit The Music box theater in Houston, TX - IAH. Can you help me to book a connecting flight?

ASSISTANT: Sure, May I know your origin airport?

USER: I want to board from Phoenix, AZ - PHX.

ASSISTANT: Ok, On what dates you have planned to start and return?

USER: I want to fly on 07/25 and 07/27.

ASSISTANT: Thanks for your time, there are no flights found on your travel dates for your journey.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thanks for choosing us, have a nice day!.