You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Elizabeth Brown here. I want to attend a Seminar in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 07/14 and 07/16.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: My airport codes are MCO and PHL.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: May I know your airline preference?

USER: It's not an issue.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: We found Frontier airline with price 100 and economy class and airline number is 1010 with arrival time is 1 AM and departure time is 19 PM, Shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.