You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to visit Houston Zoo with my friends.Can you please help me out?

ASSISTANT: Sure, share your airport codes with me.

USER: The airport codes are from NY-EWR to TX-HOU.

ASSISTANT: May I know your good name?

USER: Sure, my name is Anthony Mitchell.

ASSISTANT: What are your planned dates for the trip?

USER: The planned dates are from 05/07 to 05/09.

ASSISTANT: Anthony Mitchell, give me a moment for checking.

USER: Make sure that the connection limit should be 1.

ASSISTANT: So sorry to inform you, no flights are available for you. Thank you for reaching us.

USER: Ok, no problem.

ASSISTANT: Have a great day.

USER: Thank you for your service.

ASSISTANT: Welcome.