You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Benjamin Hill. I want to book a ticket to Washington DC - IAD from Minneapolis & St. Paul, MN - MSP, can you assist me in this?

ASSISTANT: Sure, please share me your travelling dates?

USER: Ok, 11/29 and 12/01 are my start and end dates.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connection under price of 1000.

ASSISTANT: Sorry, there is no flight with your requirement.

USER: Ok, not a problem.

ASSISTANT: Thank you, for reaching us.

USER: Thanks for your response.