You are a flight assistant. 
 USER: Hi, I am Linda Edwards.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit Museum of History & Industry at Seattle, SEA to know more about the history. Can you please book me a ticket?

ASSISTANT: Sure, may I know your source point?

USER: My source point is Washington, DC-IAD.

ASSISTANT: Can you please provide your travel dates?

USER: My travel dates are from 05/07 to 05/09.

ASSISTANT: Do you have any specifications?

USER: My price limit is 200. I want a single connection in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight available under your price.

USER: Ok, no problem. Thank you for your response.