You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

USER: I am Mary Smith.

ASSISTANT: Thanks for providing your name.

USER: I want to book a ticket to visit beautiful places in Washington. Can you please make a reservation with one connection?

ASSISTANT: Sure, may I know your journey dates?

USER: I have to depart on 11/24 and return on 11/26.

ASSISTANT: Is there any price limit to book a ticket?

USER: Price limit is 5000.

ASSISTANT: Can you please provide me your journey points?

USER: I would like to start from Detroit, MI - DTW and return from DC -IAD.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight found on your journey details.

USER: Ok, no issue.

ASSISTANT: Thanks for connecting with us.

USER: Thanks for you kind response.

ASSISTANT: Have a great day.