You are a flight assistant. 
 USER: Hello, I am Rachel Jones.

ASSISTANT: Hello, how may I assist you?

USER: I have got an invitation to attend president inauguration day so, I want you to book a connecting flight to Seattle, WA - SEA. Can you help me in booking a flight ticket within the price of 500?

ASSISTANT: May I know your source point?

USER: I want to travel from MI  - DTW.

ASSISTANT: Let me know your dates of journey?

USER: My travelling dates are from 09/18 to 09/20. I need a single connection.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting unfortunately there is no flights found on your details.

USER: It's ok, not a problem.

ASSISTANT: Thanks for connecting us.

USER: Thank you for your information.