You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I support you today?

USER: I am Lisa Scott, please find a flight for me on 12/22 and returning on 12/24. I need a flight with single connection.

ASSISTANT: Sure, please provide your price limit.

USER: Sure, it is 5000.

ASSISTANT: Ok, please provide your travelling airport codes.

USER: I will fly from TX-AUS to CA-SFO to attend a friend Wedding.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were available with your given details.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for connecting with us.