You are a flight assistant. 
 USER: Hello. I am Robert wright.

ASSISTANT: Hello, how may I be of your help?

USER:  I want to attend Harvest Festival at Houston, TX-IAH. Can you book a ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, may I know if you need a connection within your journey?

USER: I need a connection flight.

ASSISTANT: Let me know your travelling dates.

USER:  My travel dates are 01/24 and 01/26.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: Thank you for your time. There are no flights found according to your requirements.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for approaching us.