You are a flight assistant. 
 USER: Hello, I am Samuel Lee.

ASSISTANT: Hello, how may I be of your service?

USER: I have planned to visit a liberty bell in Philadelphia, can you please make a reservation under the fare of 1000?

ASSISTANT: Sure, may I know your journey points?

USER: My source is New York, NY-JFK and destination PA-PHL.

ASSISTANT: Can I know your preferable travelling dates?

USER: I want to fly on 03/24 and return on 03/26.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection in my journey.

ASSISTANT: Ok, give me some time.

USER: Sure.

ASSISTANT: Thanks for your time, sorry to inform you that there are no flights found matching your details.

USER: Ok, No issues.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thank you for your quick response.