You are a flight assistant. 
 USER: Hi, I am Andrew Lewis.

ASSISTANT: Hello, How can I help you?

USER:  I would like to visit Havasupai Adventure at Houston, TX - HOU. Can you please book me a connecting flight ticket?

ASSISTANT: Sure, when you have planned to travel?

USER: My trip dates are 11/10 and recur on 11/12.

ASSISTANT: May I know your boarding airport code?

USER: My source is from Phoenix, AZ - PHX.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thank you.