You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Andrew Baker, I want to travel  from ORD to SEA, can you help me with booking?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My depart date is June 17 and  arrival date is June 19.

ASSISTANT: Ok, may I know your departure and return time?

USER: My return time is morning.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flight with your request.

USER: Ok, no issues. Thank you.

ASSISTANT: You are welcome, have a great day.