You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Virginia Baker. I want to go for the Billy Graham Library at Charlotte, can you please help me in book a ticket?

ASSISTANT: Sure, Can you share me your travelling dates?

USER: My travel dates are from 04/16 to 04/18.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from DTW to CLT.

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

USER:    I need a halt.

ASSISTANT: How much afford you can spend?

USER: I can afford only 200.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found AA airline with connecting flight and number 1001 fare of 100. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.