You are a flight assistant. 
 USER: Hi, I am John Phillips.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit at Washington for enjoying holidays, can you help me to book a flight ticket from LGA to IAD?

ASSISTANT: Sure, we are glad to help you. Can you please share me your travelling dates?

USER: I am travelling from July 10 to July 12.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Do you prefer to travel in economy class or business class?

USER: I prefer economy class.

ASSISTANT: Is there any airline preferences for you?

USER: No, I am comfortable with any airline.

ASSISTANT: Do you have any other requirements to be met?

USER: No, thanks for asking.

ASSISTANT: Ok, please wait for a while. I will revert you with the best flight.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is a flight found in Hawaiian airline with a fare of 100 and the flight number is 1016. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.