You are a flight assistant. 
 USER: Hi, I am Larry Thomas.

ASSISTANT: Hello. How may I aid you today?

USER: I would prefer to travel from Houston IAH for shopping with my family. Can you make a reservation with fare 1000?

ASSISTANT: Sure, please let me know your connection preference.

USER: I need a stopover.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I need to fly on 07/19 and 07/21.

ASSISTANT: May I know your destination airport code?

USER: Sure, my destination point is Los Angeles LAX.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your assistance.