You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: May I know your travelling dates?

USER: I prefer to travel on Feb 24 and Feb 26.

ASSISTANT: Please tell me your name?

USER: I am John Walker.

ASSISTANT: May I know your class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Can you please tell me your connection limit?

USER: I would like to travel in a connecting flight.

ASSISTANT: Here is a single connection flight with fare 100 and 1015 as flight number. Shall I proceed with booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.