You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you for the day?

USER: I am Samantha Lee here, I want to reserve my ticket from PHX to DEN, can you please help me out?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your planned journey dates?

USER: Sure, my planned dates of journey are from Jul, 28 to Jul, 30.

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

USER: Yes, I need a return time at afternoon.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a direct flight-1012 available in  Jet Blue Airlines with a fare of 200. Shall I proceed?

USER: Ok, you can book it.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your service in booking my ticket.

ASSISTANT: Thank you for reaching us.