You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Walker.

ASSISTANT: How can I help you?

USER: I want to book a ticket from LAS to DCA to meet my uncle, can you help me in booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I am departing 03/23 and return on 03/25.

ASSISTANT: There is a connecting flight with fare 200, the number is 1026 in airline AA. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.