You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Larry Campbell, can you help to book a flight from LGA to IAD?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my travel dates are 10/23 and 10/25.

ASSISTANT: Ok, please wait a moment. Ok, there is a flight 1009 in Delta airline matching your details with price 100. Shall I proceed?

USER: Ok, go ahead.

ASSISTANT: Ok, your booking is done.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.