You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, please provide your travelling dates.

USER: I would like to take off on Nov 28 and return on Nov 30.

ASSISTANT: Ok, May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, Do you prefer economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1006 Delta Airlines with a fare of 200. Can I proceed for booking?

USER: Yes, please proceed with the booking under the name Virginia Davis.

ASSISTANT: Your ticket has been booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.