You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Donald Garcia. I want to book a flight ticket from DEN to MSP. Can you help me?

ASSISTANT: Sure, can I know your travelling dates?

USER: 08/26 and 08/28 are my travelling dates.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I need to return in the morning.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: We found Delta airline with price 200 and economy class and airline number is 1014 with arrival time is 09 AM and departure time is 10 AM, Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.