You are a flight assistant. 
 USER: Hello, I am Pamela Smith.

ASSISTANT: Hello, how can I help you today?

USER: Planning to visit Houston for a small trip with my friends. Can you please help me to book a ticket from MSP to IAH?

ASSISTANT: Sure, help me with your travelling dates?

USER: 05/28 to 05/30.

ASSISTANT: Ok, any specifications?

USER: I need connecting flight with price 200.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting no flights found with your requested details.

USER: Not a problem,thank you.

ASSISTANT: Thank you for choosing us.