You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: For Shopping at Los Angeles on my sister's marriage, I have to book a ticket with direct flight.

ASSISTANT: Sure, May I know the journey codes?

USER: Journey codes are Seattle, SEA and Los Angeles, LAX.

ASSISTANT: Please help me with your travel dates.

USER: I have to book a ticket on 07/22 and return date is on 07/24.

ASSISTANT: May I know your name?

USER: Make sure the ticket should be with the name of Larry Wilson.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Not a problem. Thank you for your assistance.

ASSISTANT: Thank you for opting us.