You are a flight assistant. 
 USER: Hello, Catherine Perez here.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit the Detroit Historical Museum in Detroit, Can you book a ticket with price 200?

ASSISTANT: Sure, may I know your journey details please?

USER: My source is Houston, TX - HOU.

ASSISTANT: Ok, may I know your destination with travelling dates please?

USER: My destination is Detroit, MI - DTW. My journey dates are 07/22 and 07/24.

ASSISTANT: And any preferable limits?

USER: I am looking for a single connection.

ASSISTANT: Ok, hold on I will get back to you.

USER: Sure.

ASSISTANT: Thanks for holding on, sorry we do not found any flights on your requested dates.

USER: Ok, no worries.

ASSISTANT: OK, thanks for connecting with us.

USER: Thank you for your service.