You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Lisa Mitchell, please reserve a seat to Washington, IAD.

ASSISTANT: Ok, where will you start your journey?

USER: I have a desire to visit the Columbia River Gorge. So, I will start from New York, EWR.

ASSISTANT: Can you please provide your travelling dates?

USER: 09/21 to 09/23 are trip dates.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel with a connecting flight. I need a flight with a fare of 1000.

ASSISTANT: Thanks for sharing your details, we found a connecting flight with fare of 200 in Delta airline. Shall I proceed for booking?

USER: Sure, you can confirm my ticket.

ASSISTANT: Your ticket has been reserved with in flight number 1007.

USER: Thank you.

ASSISTANT: Thanks for opting us.