You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Dennis Green, planning to visit Philadelphia. Can you please book me a ticket from DEN to PHL?

ASSISTANT: Sure, I am here to help you. When you are planning to travel?

USER: My preferable journey dates are from 11/17 to 11/19.

ASSISTANT: Just a moment.

USER: Sure, take your own time.

ASSISTANT: As per your data, I found a flight with Southwest airlines and the ticket figure is 100. Shall I proceed for booking?

USER: That's ok for me. Please reserve my ticket with this airlines.

ASSISTANT: Ok Green, your ticket is reserved with the flight-1024.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.