You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Jones.

ASSISTANT: How can I help you today?

USER: I want to travel from PHX to DTW. Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to fly in the flight in May on 25 and 27.

ASSISTANT: Do you have any connection limit?

USER: I want to have a connection of 1.

ASSISTANT: Let me know about your price limit?

USER: My budget for ticket is 200.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flight available as per your requirements.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thanks for reaching us.