You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Alexander Rodriguez. I would like to book my ticket from IAH to EWR.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travel dates are Sept 25 return on Sept 27.

ASSISTANT: Do you have any other specifications?

USER: Make sure that connection limit is single and my depart should be morning return on afternoon.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.