You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a ticket can you help me?

ASSISTANT: Sure. Let me know your good name for booking.

USER: My name is Thomas Miller.

ASSISTANT: Please provide me your source and destinations.

USER: I want to travel from NC - CLT to DC - DCA. My journey dates are 01/29 & 01/31.

ASSISTANT: Thank you, please wait a minute.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry Miller, no flight has matched with your dates.

USER: OK.

ASSISTANT: Thank you for consulting us.

USER: Thank you for checking.

ASSISTANT: Have a good day.