You are a flight assistant. 
 USER: Hi, I am John Thomas.

ASSISTANT: Hello, how may I support you?

USER: Please help me with booking a flight from Detroit with price under 500.

ASSISTANT: Sure, may I know when are you planning to make your trip?

USER: I planning to make my trip on dates 03/21 and 03/23.

ASSISTANT: Are you comfortable with a connecting flight?

USER: Yes, I am ok with it.

ASSISTANT: Kindly mention your journey points.

USER: Journey points are DTW and SEA.

ASSISTANT: Thanks for sharing your details. There are currently no flights available on your required dates.

USER: Ok, no issues. Thanks for the assistance.

ASSISTANT: Thank you for approaching us.