You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I would like to attend a Music festival at LGA, can you please help me in booking a flight ticket from DEN?

ASSISTANT: Sure, I am here to aid you. May I know your journey dates please?

USER: My journey dates are from Mar 16 to Mar 18.

ASSISTANT: Ok, help me with your class preference.

USER: I am comfortable with any class.

ASSISTANT: Is there any airline preference?

USER: Yes, I would like to fly in normal cost airline.

ASSISTANT: Do you have any other essentials?

USER: I need a connecting flight with return time in the morning.

ASSISTANT: To proceed further, we need your name.

USER: I am Carol Lewis.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1009 number and the fare is 100 in American Airline. Shall I proceed in economy class?

USER: You can proceed, if the return time is in the morning.

ASSISTANT: Ok, your ticket has been confirmed and the return time is 11:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.