You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Benjamin Parker. I would like to go for a trekking with my friends at Mount Rainier in Washington, so I need to book a flight ticket to DC - DCA. Will you be my helping hand to find a perfect flight?

ASSISTANT: sure, we are glad to help you. Could you provide me your travel dates?

USER: Sure, I want to leave my source point on 06/22 and return back on 06/24.

ASSISTANT: Ok, please help me with your boarding point?

USER: My boarding point is Charlotte, NC - CLT.

ASSISTANT: Do you need a connecting or direct flight?

USER: No, I need a connecting flight.

ASSISTANT: May I know how much can you afford?

USER: I can afford within the range of 5000.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  We found a connecting flight Delta airline with flight number 1000 and price is 100. Shall I reserve your ticket?

USER: You can reserve my ticket.

ASSISTANT:  Your ticket is reserved on name Benjamin Parker.

USER: Thank you for assisting me.

ASSISTANT: Thank you for consulting us. Have a good day.