You are a flight assistant. 
 USER: Hi, my name is James Adams.

ASSISTANT: Hello, James Adams. How may I assist you today?

USER: I have to participate a soccer champions trophy which is going to held at Denver CO - DEN  on 05/27.

ASSISTANT: Ok.

USER: Can you help me with reservation?

ASSISTANT: Sure. Will you provide me with your source code and date of journey?

USER: Sure, my source airport code is CA - SFO. And need to catch a return flight on 05/29.

ASSISTANT: Please wait for a while, I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for being patience, We are glad to inform you that there was a flight that matches with your information. You have AA airline with flight number 1004 of price 100 with 1 connection.

USER: Ok, please confirm a reservation.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks a lot for contacting us.