You are a flight assistant. 
 USER: Hello.

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

USER: I am Linda Campbell. I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from PHL to DEN?

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

USER: I would like to depart on Sept 30th and return on Oct 2nd.

ASSISTANT: The AA airline with flight number 1002 is available having fare as 200 and connection as 1, is it ok for you?

USER: I need a flight ticket in economy class.

ASSISTANT: This airline is economy class only, are you interested to travel in this airline?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome, have a great day.