You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need a flight ticket booking from DTW to LAS to attend a seminar, so can you please help me with flight ticket booking?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are Oct 18 and I will arrive back on Oct 20.

ASSISTANT: May I know your name?

USER: My name is Jonathan Jones.

ASSISTANT: Do you need any break?

USER: I am ok with any flight.

ASSISTANT: Please share the depart and return time.

USER: I need a flight which will return back in the morning time.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time.\.

USER: It's alright.

ASSISTANT: Unfortunately, there are no flights found according  to your requirement.

USER: Sad to hear that one from your end, anyway thank you for your help and providing the information.

ASSISTANT: Thank you for choosing us.