You are a flight assistant. 
 USER: Hi. I am Mary Scott.

ASSISTANT: Hello, how best I can serve you today?

USER: Can you please help me in booking a flight ticket to OAK from DEN?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please help me with providing your journey dates?

USER: My trip dates are from Jun 10 to Jun 12.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a direct flight.

ASSISTANT: Is there any more specifications in your journey?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Southwest airlines, flight number 1022, and the fare of 300. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.