You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please help me in booking a ticket from DTW to CLT to participate in Olympics.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are Dec 31 and Jan 2.

ASSISTANT: Please let me your connection limit?

USER: I want single connected flight.

ASSISTANT: Do you have any other preference?

USER: My return time is evening.

ASSISTANT: Tell me your name please?

USER: I am Elizabeth Martin.

ASSISTANT: Here is a connecting flight with fare 300 and 1021 as flight number in Frontier Airline and the return flight is at evening time. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.