You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Harris.

ASSISTANT: How can I aid you today?

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

ASSISTANT: Please share your travelling dates.

USER: Sure, I would like to take off on May 29 and return on May 31.

ASSISTANT: Do you need any connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: May I your depart and arrival timings?

USER: I would like to depart during evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to inform you, there are no available flights on your routes.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.