You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Phillips.

ASSISTANT: How can I help you?

USER: Please book me a ticket from HOU to SFO to meet my family.

ASSISTANT: Sure, I am ready to help you. Would you please provide me your trip dates?

USER: I have planned to travel on 10/23 and 10/31.

ASSISTANT: May I know your connection limit?

USER: I need a halt.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for consulting us.