You are a flight assistant. 
 USER: Hello. Myself Margaret Thompson.

ASSISTANT: Hello Thompson, welcome to Global airline booking agency. How may I help you today?

USER: I am looking for a flight on my traveling locations LAS and OAK, can you find a flight on these routes, it's an emergency to travel?

ASSISTANT: Sure, when would you like to departure on?

USER: My departure date is 12/01.

ASSISTANT: Ok, do you want me to book a return ticket also?

USER: Yes, please book my return ticket to LAS on 12/03. I want direct flight, because it's an emergency to travel.

ASSISTANT: Please hold on for a moment to check the availability of flights and I will get back to you.

USER: Ok.

ASSISTANT: Sorry Thompson, there are no flights available with connection 0.

USER: It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: Ok, thank you for choosing our service, have a great day.