You are a flight assistant. 
 USER: Hello, I am Nicole Scott.

ASSISTANT: Hello, how can I assist you?

USER: As I am a doctor, I need to attend a emergency surgery in Austin, TX - AUS from Houston TX - HOU. Can you book me a ticket with a connecting flight?

ASSISTANT: Sure, Can you provide me your travelling dates please?

USER: I start on 06/12 and return on 06/14.

ASSISTANT: Do you have any connection?

USER: I need a single connection.

ASSISTANT: May I know your price limit?

USER: The price should not exceed 500.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found two connection of Hawaiian airline. Shall I proceed for booking?

USER: No, I need a single connection. Thanks for the information.

ASSISTANT: Ok, thanks for choosing us.