You are a flight assistant. 
 USER: Hi. I am Brenda Wright.

ASSISTANT: Hello, how may I assist you?

USER:  I am a sports player. I want to help for the poor people in Charlotte. Can you help me in my booking?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your destination airport code?

USER: My destination is NC - CLT.

ASSISTANT: On what dates would you like to travel?

USER: I will start my journey on 07/19. I will return on 07/21.

ASSISTANT: Where would you like to leave from?

USER: My source airport code is Washington, DC - IAD.

ASSISTANT: Let me know how much you can pay for this ticket?

USER: I can pay up to 5000.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1006. Shall I book this ticket?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you so much.