You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Patrick Rodriguez. I am planning to travel from IAH to PHX, help me in booking a flight for me?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are 05/27 to 05/29.

ASSISTANT: Ok, do you need any specifications?

USER: I want to travel in Evening flight and 1 connection flight.

ASSISTANT: Please wait for while.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us.