You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I am Eric Green. As I am a scientist, I want to go Washington for my research work.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket with a stopover?

ASSISTANT: Sure. May I know your schedule dates?

USER: Sure, my preferable dates are 01/07 and 01/09.

ASSISTANT: Can you share your airport codes?

USER: I will fly from LGA to IAD.

ASSISTANT: Sure, wait for a while.

USER: Ok.

ASSISTANT: There is a flight 1024 in Hawaiian airline and price 100 with a connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for your support.

ASSISTANT: Thank you.