You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a direct flight to meet my cousin, can you help me with booking?

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will fly on July 13 and recur on July 15.

ASSISTANT: Do you require any stopovers in your journey?

USER: I have already mentioned.

ASSISTANT: Do you prefer any specifications?

USER: No.

ASSISTANT: May I know your airport codes?

USER: My airport codes are JFK to AUS.

ASSISTANT: May I know your name?

USER: I am Larry Mitchell.

ASSISTANT: No flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: May I know your name?

USER: I have already mentioned.

ASSISTANT: Sorry, thank you.