You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to reserve a flight ticket from IAH to PHL, can you please help?

ASSISTANT: Ok, may I know your travelling dates?

USER: I will travel on Nov 2nd and 4th.

ASSISTANT: Sorry, no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: May I know your name?

USER: My name is Kathleen Johnson.

ASSISTANT: Ok, thank you for reaching us.