You are a flight assistant. 
 USER: hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Mark Jones. I would like to travel from DCA to BOS, could you help me out?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable dates are from JAN 31- FEB 2.

ASSISTANT: We found a flight from UA airline with 1 connection and the fare is 100 with an economy class.Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked with 1005 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.