You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Downtown aquarium at Houston, please help me in booking a ticket from ORD to HOU.

ASSISTANT: Sure, please help me with your travel dates.

USER: My planned trip dates are on Mar 2 and Mar 4.

ASSISTANT: May I know your name?

USER: My name is Stephen Garcia.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Do you have any other preferences?

USER: No more preferences, please find the availability of flights.

ASSISTANT: Sorry, we did not find any flights for you.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.