You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have to reach Charlotte to meet my well wisher as he is suffering from fever. So please help me with flight ticket booking from DCA to CLT.

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: Thank you. I have planned my travel dates as Feb 04 and Feb 06.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Please go with my name Christopher Hall.

ASSISTANT: Let me know your connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in evening time so please make sure that.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure but please check for only normal cost airlines as  I am not interested to travel in low cost airlines.

ASSISTANT: There is a direct flight with ticket fare 200 in Delta airlines in economy class. Is it ok for you?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been reserved with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.