You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from SFO to DEN?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: My travelling dates are Aug 07 and Aug 09.

ASSISTANT: May I know your name?

USER: Myself Mark Campbell.

ASSISTANT: Do you have any other specifications?

USER: I need my depart and return tickets at evening time.

ASSISTANT: Ok, wait for some time.

USER: Ok, I will wait for your reply. Meanwhile also please search for connecting flight.

ASSISTANT: We found United airlines with connecting flight and number 1014 fare of 300 and economy class, Shall I proceed for booking?

USER: May I know the flight timings?

ASSISTANT: Departure time is 23:00 and arrival time is 22:00.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help in booking my flight ticket.

ASSISTANT: Thanks for approaching us.