You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I would like to travel from SEA to DCA for my business meeting, can you please help me to book my flight ticket?

ASSISTANT: Sure, can I have your travelling dates please?

USER: Thank you. I will depart on Jan 16th and return back on Jan 18th.

ASSISTANT: May I know your name please?

USER: My name is James White.

ASSISTANT: Please provide your specifications.

USER: I would like to return back in the morning time.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Sad to hear that, thank you for checking.

ASSISTANT: Thank you.