You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,How can I help you?

USER: I want to book a ticket to meet my childhood friend at New York, LGA. Can you please book a ticket on July 6?

ASSISTANT: Sure, May I know the source code?

USER: My source is Austin, AUS.

ASSISTANT: May I know the return date?

USER: I want to return on July 8.

ASSISTANT: May I know your name?

USER: Sure, I am Elizabeth Clark.

ASSISTANT: Do you have any connection limits?

USER: Yes, I want one connection.

ASSISTANT: Do you have any other requirements?

USER: Yes, my depart time is morning.

ASSISTANT: Please wait a minute.

USER: Ok.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.