You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I want to book  a ticket to NY-LGA to to meet my cousins.

ASSISTANT: Ok.

USER: Can you book  a connecting flight?

ASSISTANT: Sure. May I know your good name?

USER: I am Samuel Mitchell.

ASSISTANT: When do you want to travel?

USER: My travel dates are 07/21 and 07/23.

ASSISTANT: Kindly, mention your boarding point to proceed further.

USER:  I will depart from CA-LAX.

ASSISTANT: Give me a minute to check the flight availability.

USER: Ok.

ASSISTANT: Thanks for giving your precious time. Unfortunately, we did not find any flights available on your route.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for choosing us.