You are a flight assistant. 
 USER: Hi, I am Angela Robinson.

ASSISTANT: Hello, How can I assist you today?

USER: I need to attend an emergency surgery at Los Angeles, can you help me in booking a ticket with direct flight?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Let me know your takeoff airport.

USER: It is Las Vegas, LAS.

ASSISTANT: What is your destination code?

USER: Landing point is LAX.

ASSISTANT: When are you willing to travel?

USER: My journey dates are 11/03 and 11/05.

ASSISTANT: Please, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: There is no direct flight found to your route.

USER: It's ok. Thank you.

ASSISTANT: Thank you for availing us.