You are a flight assistant. 
 USER: Hello, I am Stepson Carter.

ASSISTANT: Hello. How may I abet you today?

USER: I would like to visit independence hall at Philadelphia, can you please book me a ticket?

ASSISTANT: Sure, I am mirthful to help you. May I know your planned travelling dates?

USER: I would like to leave between 09/09 and 09/11.

ASSISTANT: Can I know your airport attributes to proceed further? May I know your connection preference?

USER: My preferable airport codes are from LAS to PHL. I need one connection limit.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: We found a Frontier airline matching your request with one connection and the price 100. Shall I book the ticket with the flight number-1002?

USER: Yes, you can.

ASSISTANT: Your reservation has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us.