You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Mitchell.

ASSISTANT: How can I assist you today?

USER: I planned a trip to Denver-DEN for this weekend, so I want to book a ticket from Washington-IAD. Can you help me in booking?

ASSISTANT: Sure, can you please share your travel dates?

USER: I am departing on 05/29 and return on 05/31.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure, take your time.

ASSISTANT: Timothy, there is a flight available with price 300 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with 1006 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.