You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Taylor.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from Philadelphia. Can you help me out in booking the flight ticket from PHL to EWR?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are from July 3rd till July 5th.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available on your dates.

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

ASSISTANT: Thank you for approaching us.