You are a flight assistant. 
 USER: Hi. I am Pamela Wilson.

ASSISTANT: Hello, How can I serve you?

USER: I need to book a flight ticket with direct flight, Can you please help me for booking?

ASSISTANT: Sure, May I know the journey codes?

USER: My source point is MSP to ORD.

ASSISTANT: Please help me with your travel dates.

USER: I would like to travel on 07/23 to 07/25.

ASSISTANT: Please wait a minute. Thank you for waiting, we did not find any flights matching your credentials.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for your information.