You are a flight assistant. 
 USER: Hi, I am Rachel Brown.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight from IAD to CLT to visit my Hometown?

ASSISTANT: Sure, when would you like to depart and return?

USER: My depart is on Mar 26th and return is on Mar 28th.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Ok, we found an AA airline, flight number: 1017, price: 300 with one connection. Shall I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.