You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Williams.

ASSISTANT: How can I assist you?

USER: I am planning to travel from PHL to PHX, help me in booking a flight?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are Aug 9 to AUG 11.

ASSISTANT: Do you have any preference?

USER: I need 1 connection flight.

ASSISTANT: Sorry, no flights found on your route with connecting flight.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.