You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: As I am in an emergency to reach Las Vegas for attending a funeral of my relative there who met with an accident last night. Can you please help me to book a flight ticket to LAS from AUS under my name Barbara Perez?

ASSISTANT: Sure, we are here to help you in booking.

USER: Thank you.

ASSISTANT: Can I know your connection limit?

USER: Sure, I need a direct flight.

ASSISTANT: May I know your planned travelling dates to proceed further?

USER: Sure, my planned travelling dates are 01/30 and 02/01.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for choosing us.