You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: My name is Samuel Davis, I want fly from Los Angeles, LAX to New York, LGA.

ASSISTANT: Ok, could you please mention your travel dates?

USER:  Book a ticket on 10/20  and return flight should be on 10/22.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, no flights found on your dates.

USER: Ok. Thank you for your response.

ASSISTANT: Thank you for approaching us. Have a nice day.