You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I support you?

USER: I want to visit Oakland next week so can you please help me in flight ticket booking process from IAD to OAK?

ASSISTANT: Sure, to reserve a flight ticket may I know your travelling dates please?

USER: Thank you for your response, I want to take off on Jan 18 and book my return ticket also on Jan 20.

ASSISTANT: Do you have any airline preference?

USER: I want to travel in normal cost airline.

ASSISTANT: Can I know your good name please for further process?

USER: Sure, my name is Karen Hill.

ASSISTANT: Please provide your specifications.

USER: I want to return in morning time.

ASSISTANT: We found a flight with an United airlines of flight 1017 in an economy class with single connection and return time is 11:00 AM. Shall I proceed with this airline?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing us.