You are a flight assistant. 
 USER: Hi. Myself Timothy Parker.

ASSISTANT: Hello, By what way, can I help you out?

USER: I have a plan to visit Philadelphia. Can you help me in booking flight ticket from LAX to PHL?

ASSISTANT: Sure, we are ecstatic to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will fly on Sept 19 and return on Sept 21.

ASSISTANT: How much you can afford for ticket fare?

USER: I can afford up to 5000.

ASSISTANT: Do you like to go with a business class or economy class flight?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: There is a connecting flight found in Delta airline of flight number 1022 and fare is 200. Shall I proceed for booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us, wish you a great journey in Delta airline.