You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Benjamin Davis.

ASSISTANT: Davis, how may I help you?

USER: Can you help me in booking a ticket from JFK to LAX, as I need to attend my sister wedding?

ASSISTANT: Sure, please provide your trip dates.

USER: My flying and landing dates are 12/22 to 12/24.

ASSISTANT: Please hold on for a while.

USER: Sure, I will stand by.

ASSISTANT: Sorry Davis, no airlines is providing service on your route.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.