You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today/.

USER: Sarah Rodriguez here. Can you please book a ticket from MSP to CLT? As I'm planning to visit Charlotte.

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Sure, my planned departure and return travel dates are 8th and 10th of May.

ASSISTANT: Sure, is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: Yes, I need economy class ticket in a direct flight.

ASSISTANT: Sorry, there is no flight found with your requirement.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Welcome, thank you for reaching us.