You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephanie Thomas. Can you please help me in booking my flight ticket from IAD to ATL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Jan 25 and Jan 27.

ASSISTANT: At what time do you like to travel?

USER: I want my return ticket at morning time.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.