You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Assist me in booking a flight on 06/21 from Chicago, IL - ORD.

ASSISTANT: Sure, when are you planning to return on?

USER: I am planning to return on 06/23.

ASSISTANT: Please share your landing point?

USER: Seattle, WA - SEA is my landing point.

ASSISTANT: Thank you for providing your travelling details, there are no flights found on your details. May I know your name?

USER: Ok, leave it. Not a problem. Thanks for the information.

ASSISTANT: Please provide your good name?

USER: Shirley Roberts is my name.

ASSISTANT: Thank you.