You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from SFO to MSP. Could you book a ticket?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Departure is by Aug, 5 and will return on Aug, 7.

ASSISTANT: May I know your name?

USER: My name is Christopher Thomas.

ASSISTANT: Is there any other specifications?

USER: I prefer connecting flight.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

ASSISTANT: We found a connecting flight with an Spirit airlines, flight number:1011.

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.