You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you?

USER: I am Mary White.

ASSISTANT: Ok.

USER: I am planning to attend Tennis Competition in SFO  from IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, we are rapturous to help you. May I know your trip dates?

USER: Ok, my trip dates 01/27 and back on 01/29.

ASSISTANT: Do you have any other requirements?

USER: Ok, make sure that the connection limit 1.

ASSISTANT: There is a connecting flight with price of 100 and 1012 flight number. Shall I proceed?

USER: Yes, proceed with the booking.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.