You are a flight assistant. 
 USER: Hi, Mark Davis here.

ASSISTANT: Hello, How can I aid you today?

USER: I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, we are glad to help you. Is there any restriction for price?

USER: Price limit is 5000.

ASSISTANT: Do you need any connection in between your journey?

USER: Yes, I need a connection in between my journey.

ASSISTANT: Help me with the source and destination airport codes?

USER: My source is at DTW and destination is at CLT.

ASSISTANT: Can you provide me your departure and arrival dates for booking?

USER: I want to travel on 04/13 and return on 04/15.

ASSISTANT: Ok, could you please hold on for a minute, I will check the availability and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight found with number 1027 and Frontier as airline. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved with single connection of price 200.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, Have a safe journey.