You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Myself Ashley Campbell. i planned to visit my relatives.I want to book a ticket. Could you please help me out?

ASSISTANT: Sure, I can help you with that. Ashley, can you please help me with your travelling dates?

USER: My trip dates are from 12/18 to 12/20.

ASSISTANT: Can you please provide the source and the destination airport codes?

USER: My airport codes are from BOS to CLT.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Ashley, there is a flight available at your request with price 100. Would you like me to confirm the booking?

USER: Ok, please proceed.

ASSISTANT: Sure. Your booking is confirmed. Your flight number is 1004 with AA airline.

USER: Thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.