You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: As I am doctor, I want to go to Phoenix for an emergency case. Can you please help me in booking flight ticket from HOU to PHX as soon as possible?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: I will start my journey on Sept 12 and return on Sept 14.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in connecting flight.

ASSISTANT: May I know your name?

USER: Please book my flight ticket on name Brenda Parker.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for contacting us.