You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: I am Mary Anderson.

ASSISTANT: How can I help you Mary?

USER: I am planning a tour From LGA to IAD, can you help in booking a flight ticket?

ASSISTANT: Ok, please let me know your travel dates?

USER: I preferred to travel on 01/08 to 01/10.

ASSISTANT: Found a flight number 1009 by UA airlines, shall I book it?

USER: Proceed for booking.

ASSISTANT: Booking is confirmed, we will send you mail regarding your tickets.

USER: Thank you.

ASSISTANT: Thanks for reaching us.