You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a connecting flight to Philadelphia to book a new car at auto expo and it's a round trip.

ASSISTANT: Sure, may I know your price limit?

USER: The price limit should be 1000.

ASSISTANT: Let me know your name please.

USER: I am Raymond Smith.

ASSISTANT: Could you please share your airport codes?

USER: My airport code is PHL.

ASSISTANT: Please mention your planned dates of travel.

USER: 07/14 and 07/16 are my airport codes.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thank you for being wait . There is a Spirit airline with flight number 1004 and price of 100 matching with your specifications.

USER: Ok, you can book the ticket.

ASSISTANT: Your reservation is done with the Spirit airline.

USER: Thanks for your quick response.

ASSISTANT: Thank you for approaching us and have a nice day.