You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I am planning to have a round trip from Philadelphia, PHL. Can you please book me the ticket in connecting flight?

ASSISTANT: Sure, Can you please forward your journey dates?

USER: My preferable journey dates are from 11/18 to 11/20.

ASSISTANT: What is the airport, that you want to start from?

USER: It's a round trip.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight found in Spirit airline of flight number 1003 and fare is 100. Shall I proceed for booking?

USER: That's ok for me. Please reserve my ticket with the name Nicole Evans.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for contacting us.