You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Can you help me to book a flight from PHL in economy class?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are 10/27 and 10/29.

ASSISTANT: Ok, may I know your destination location airport code?

USER: My destination airport code is IAD.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your class preference?

USER: Please check above.

ASSISTANT: Ok, could I have your name please?

USER: My name is Scott Hall.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: There is a flight with one connection and the price is 100 in Frontier airlines, can I proceed with the reservation?

USER: Yes, proceed.

ASSISTANT: May I know your name?

USER: Please check above.

ASSISTANT: Your ticket has been reserved with the flight number 1022.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.