You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Collins.

ASSISTANT: How may I assist you now?

USER: I am planning to attend music concert at HOU, can you please help me with booking a flight ticket from EWR?

ASSISTANT: Barbara Collins, may I know your travelling dates please?

USER: Sure, I would like to take off on 01/08 and return on 01/10.

ASSISTANT: Please be on hold for a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry to inform you, there is no flight available for your journey.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: You are welcome.