You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Carter here.

ASSISTANT: How can I help you?

USER: Can you reserve a flight ticket for my airport codes CLT to AUS?

ASSISTANT: Sure. Please let me know your travelling dates.

USER: My travel dates for the journey would be from 03/11 to 03/13.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100. Shall I book a ticket?

USER: I am fine with the connecting flight. You can book it.

ASSISTANT: Ticket is booked with flight number 1023.

USER: Thank you.

ASSISTANT: Thanks.