You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I am Donald Hill here, I want to reserve my ticket from MSP to ATL, can you please help me?

ASSISTANT: Sure, I am here to help you. Can you share me your trip dates?

USER: Sure, my planned dates of journey are from May, 12 to May, 14.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Would you like to prefer economy class or business class?

USER: I like to prefer to economy class.

ASSISTANT: There is a connecting flight with fare of 100 and 1011 flight number. Shall I reserve this for you?

USER: Ok, you can book it.

ASSISTANT: Your booking has been confirmed with Delta airline in economy class.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us.