You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to meet my cousin in SEA, can you please help me to book a flight ticket from DEN?

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

USER: I prefer to travel on Feb 13 and Feb 15.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Jack Gonzalez.

ASSISTANT: We found a direct flight 1010 in United airlines with a fare of 200. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.