You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Can you help me in booking a flight ticket from MN - MSP to TX - HOU?

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

USER: I want to fly on 06/12 and return on 06/14.

ASSISTANT: Do you need a lay by?

USER: Yes, I need a halt.

ASSISTANT: May I know your name?

USER: I am Justin Walker.

ASSISTANT: Thanks for sharing your details. There are no flights available on your required dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.