You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am very much excited to visit Ellenville Fault Ice Caves in New York - EWR, can you please reserve a flight from Houston - IAH?

ASSISTANT: Sure, May I know the travelling dates?

USER: My travel dates are Apr 28th and 30th.

ASSISTANT: Do you have any connection limit?

USER: I am fine with maximum one connection.

ASSISTANT: May I know your name?

USER: My name is Gary Evans.

ASSISTANT: Please wait a minute.

USER: Please make sure, I want to depart in the evening.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.