You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Liberty Bell in Philadelphia.

ASSISTANT: That's good. You want me to book a ticket?

USER: Yes, I am travelling from Fort Worth-DFW to Philadelphia-PHL.

ASSISTANT: When you are going to start your journey from DFW?

USER: Departure date from Fort Worth is on 10/15.

ASSISTANT: If you want to return from PHL, please tell me your return date?

USER: I want to return from Philadelphia to Fort Worth on 10/17.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: In my search, I found a flight-1005 with single connection and airline is Spirit. Shall I proceed to reserve a seat for you?

USER: I want to travel in low budget, so make sure the fare of the flight do not exceed 5000.

ASSISTANT: Yes, fare of flight is 100. If you want to book the ticket please provide your name.

USER: My name is Katherine Mitchell, please proceed  for booking.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.