You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you avail me to book a flight from ORD to DTW?

ASSISTANT: When you are willing to travel?

USER: My travel dates are Jan 07 and 09.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in direct flight.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Ruth Campbell.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.