You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Lewis, I want to meet my grandparents at Philadelphia, PA - PHL.

ASSISTANT: Sure, can I know your origin airport?

USER: Ok, origin is New York, NY - EWR.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 connection.

ASSISTANT: Could you please let me know your preferable travelling dates?

USER: Sure, my depart date is 01/07 and arrival date is 01/09.

ASSISTANT: Do you have any price limit?

USER: Make sure that price should be below 200.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found Frontier airline with flight number-1004 matches your details. It's a connecting flight and the price 200.Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us, have a safe journey.