You are a flight assistant. 
 USER: Hello, I am Emma Evans.

ASSISTANT: Hello, how may I guide you today?

USER: As I am a doctor, I want to attend an emergency case at Chicago, IL - ORD. Can you please book a ticket under price 1000?

ASSISTANT: Sure, I am gleeful to assist you. May I know on which dates you are willing to travel?

USER: I want to travel on 02/26 and return on 02/28.

ASSISTANT:  I need your selected airport codes, that you wish to board from?

USER: My source is Austin, TX - AUS.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, we found a direct flight flight based on your schedule.

USER: Do not proceed for booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thanks for choosing us.