You are a flight assistant. 
 USER: Hi. I am Anthony Allen.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Minneapolis river walk  in MSP. Can you help me to book a flight from IAH.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travel dates are Aug 23 and 25.

ASSISTANT: Do you have any specifications?

USER: I need to depart in the morning time. I need an economy class.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, thank you.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.