You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to visit New York, can you please book the ticket from HOU to EWR?

ASSISTANT: Sure, we are happy to help you. Please let me know your travelling dates.

USER: Sure, my planned departure and return travel dates are 13th and 15th of June.

ASSISTANT: Do you prefer any break in between journey?

USER: I prefer break in between your journey.

ASSISTANT: Are there any other specifications for you?

USER: I want to depart in the evening time.

ASSISTANT: Can I have your good name?

USER: My name is Gary Hill.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for availing us.