You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my grand parents at Minneapolis, please help me in booking a ticket from PHL to MSP.

ASSISTANT: Sure, may I know when are you willing to travel?

USER: My journey dates are 12/06 and 12/08.

ASSISTANT: Ok, do you need a lay by?

USER: Yes, I need a lay by at Houston.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there are no flights available at this moment.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name?

USER: My name is Shirley Evans.

ASSISTANT: Thank you.