You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best assist you today?

USER: I am Christopher Davis. Have a desire to fly, so I planned to travel from Philadelphia, PHL to New York, EWR. Will you help me in this?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you/.

ASSISTANT: When do you planned your journey dates?

USER: I planned to travel on 12/20 to 12/22.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I need a stop over in between my journey.

ASSISTANT: There is a flight found with Spirit airline of flight number 1004 and fare is 100. Shall I proceed for booking?

USER: Ok. You can ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: You are most welcome.