You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for a flight from CLT to PHL, can you help me out?

ASSISTANT: Sure, may I know your dates of travel?

USER: My trip dates are from May 5th till May 7th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for an economy class.

ASSISTANT: Is there any class preference?

USER: I am comfortable with 1 stop over.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, not an issue. Thank you.

ASSISTANT: May I know your name?

USER: Myself Eric Parker.

ASSISTANT: Thank you for reaching us.