You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Susan Campbell.

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to travel from DEN to EWR, could you help me out?

ASSISTANT: can I know your travelling dates?

USER: My preferable dates are from MAY 15-17. Please check for direct flight.

ASSISTANT: We found a direct flight from Hawaiian airline and the fare is 200 with an economy class.Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked with 1029 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.