You are a flight assistant. 
 USER: Hello,. I am Shirley Williams.

ASSISTANT: Hello, how can I render you?

USER:  Can you help me out in booking my flight ticket to Minneapolis, MSP?

ASSISTANT: Sure, from where you want to start your journey?

USER: I want to start my journey from PHL.

ASSISTANT: When did you planned to travel?

USER: I want to travel on 04/03, and need to catch return flight on 04/05.

ASSISTANT: Do you need any flag stop in between your journey?

USER: Yes, I need a flag stop.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there were no flights found with your given specifications.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thanks for reaching us.