You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Donald Young. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from LGA to IAD?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I would like to depart on May 1st and return on May 3rd.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is booked. The flight number is 1007 and the airline is UA.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Welcome, have a great day.