You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to travel from Denver to Washington to attend my friend's birthday party, can you help me in booking?

ASSISTANT: Ok, please provide me your travel dates.

USER: I am departing on 08/08 and return on 08/10.

ASSISTANT: Please share your airport codes.

USER: My departure airport is from Denver DEN airport and land in Washington IAD airport.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: The flight 1007 of Spirit airlines is available on your requested dates with a price of 100 and with 1 connection. Shall I proceed?

USER: Sure, please proceed for booking.

ASSISTANT: Can I know your name for booking the ticket?

USER: My name is Katherine Brown.

ASSISTANT: Brown, your reservation has been done successfully.

USER: Thank you for your help. Great service.

ASSISTANT: You are welcome.