You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Martinez.

ASSISTANT: How may I help you?

USER: My friend is asking me to visit New York. Can you help me in booking a ticket from DCA to LGA?

ASSISTANT: Sure, could you please provide your journey dates?

USER: I am planning my journey on dates 04/10 and 04/12.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: I found a flight for you in UA airlines with price 100. Can I book your ticket?

USER: Please proceed for booking the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.