You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from CLT to DCA, can you help me?

ASSISTANT: Sure, please mention your journey dates.

USER: My travel dates are 10/25 and 102/27.

ASSISTANT: May I know your name in the meanwhile?

USER: Myself Patrick Brown.

ASSISTANT: According to criteria, there is a flight-1005 with a connection of Delta airline. Is it fine for you?

USER: You can book it.

ASSISTANT: Sure, your reservation is done with your name Patrick Brown.

USER: Thank you for booking.

ASSISTANT: Welcome Patrick Brown.