You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, let me know your travel dates?

USER: I would like to take off on Aug 27 and return on Aug 29.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I don't have any other specification.

ASSISTANT: May I know your name?

USER: My name is Donna Adams.

ASSISTANT: We found a Jet blue airline with flight number 1025 and fare 100 and class is economy. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.