You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Jonathan Campbell. I want to book a flight ticket  from TX-DFW to WA-SEA . Can you help me?

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

USER: Thank you. Dec 07th and 09th are my travelling dates.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Jonathan Campbell, there is a flight available with price 200 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: You can reserve it for me.

ASSISTANT: Your booking is confirmed with 1020 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.