You are a flight assistant. 
 USER: Hello, I am Thomas Young.

ASSISTANT: Hello Thomas Young. How can I help you today?

USER: I have planned a trip with my friends, can you help in the process of booking ticket.

ASSISTANT: Sure, can you provide me your travellings details?

USER: My travelling is from San Francisco, CA - SFO to Detroit, MI - DTW. My travelling dates are on 04/24 to 04/26.

ASSISTANT: Sure, wait for a moment, I will revert you.

USER: I need a single connection with price of 5000. Sure,.

ASSISTANT: Thanks for waiting. We could not find any flights for your specification.

USER: OK, thank you for the information. Thank you.

ASSISTANT: Thank you for reaching us.