You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a ticket from New York to Seattle.

ASSISTANT: Sure, can you please provide me with your dates of journey?

USER: Departure is by July, 2 and return will be July, 4.

ASSISTANT: May I know your respective airport codes please?

USER: Sure. My airport codes are LGA and SEA.

ASSISTANT: Are you looking for any other help from my side please?

USER: I would like to return in the evening.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry, there is no flight found as per your travelling details. May I know your name please?

USER: I am Jessica Jones.

ASSISTANT: Thank you for your information.

USER: Thank you.