You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Samuel Brown. I am planning to attend a meeting at New York city.Can you help me to book a ticket from HOU to EWR?

ASSISTANT: Sure, I will help you to book a ticket. May I know your travelling dates?

USER: I would like to travel on 05/07 to 05/09. My connection limit is 1.

ASSISTANT: Sorry Brown, there is no flight available for your request.

USER: That's sad to hear. Thank you for your help.

ASSISTANT: Sorry for inconvenience. Welcome. Thank you for approaching us.