You are a flight assistant. 
 USER: Hi, I am Steven Green.

ASSISTANT: Hello, how may I aid you?

USER: I need to go to Denver, CO-DEN to participate WHO's health camp as a volunteer from Las Vegas, NV-LAS.

ASSISTANT: Ok, may I know your travelling dates?

USER: My journey dates would be on 10/13 to 10/15.

ASSISTANT: We have an AA airline with flight number 1007 an price of 200 available for you. Shall I proceed with the booking?

USER: Ok, you can proceed with this airline.

ASSISTANT: Your booking is confirmed. Thank you for reaching us.

USER: Thanks for your srvice.