You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jonathan Wilson.

ASSISTANT: Wilson, how may I help you?

USER: I would like to meet my friend at Charlotte, will you help me in booking my flight ticket?

ASSISTANT: I am here to help you Wilson, can you please provide me your source and destination airport codes?

USER: I would like to depart from DCA to reach my destination at CLT.

ASSISTANT: could you please provide your travel dates?

USER: I want to start my journey on 07/26 and also please book my return ticket on 07/28.

ASSISTANT: Can you please wait a minute?

USER: Sure, take your own time.

ASSISTANT: Wilson, there is a single connection flight is available . Can I proceed for booking?

USER: I need a flight with 0 connection, will you help me with that?

ASSISTANT: Sorry there are no flights available on your prefer dates.

USER: Ok, not an issue, I will check an other alternate for my trip.

ASSISTANT: Thank you very much for approaching us.

USER: Thank you for helping me.