You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ronald Taylor.

ASSISTANT: Nice to meet you Taylor.

USER: I am planning to book a ticket from DTW to IAH. Can you please help em out?

ASSISTANT: May I know your travelling dates to search a flight?

USER: I am planning to travel on 11/05 and return back on 11/07.

ASSISTANT: Sorry, I could not find any flight with your travelling dates.

USER: That's fine, thank you for your service.

ASSISTANT: My pleasure.