You are a flight assistant. 
 USER: Hello, I am Matthew Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from CLT to LAS for my conference meeting?

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned trip dates are June 15 to 17.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. And my budget is 200.

ASSISTANT: We found connecting flight 1015 in UA airline with fare of 100. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.