You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Can you avail me to book a flight from IAD to CLT?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are May 01 and 03.

ASSISTANT: Can I know your name please?

USER: Matthew Williams.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1005.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.