You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am looking for a direct flight for my journey, can you please help me out with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your depart and arrival time?

USER: I can manage with any timings.

ASSISTANT: Where you need to catch the flight and land?

USER: I want to travel from SEA to LAS.

ASSISTANT: Can you help me with the trip dates?

USER: I am planning to departure on Sept 06 and please book my return ticket on Sept 08.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: For documentation, may I know your good name please?

USER: Sure, my name is Emma Gonzalez.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: Oh! Sad to hear that. Anyway, I will reach another booking agency. Thank you for checking.

ASSISTANT: Thank you for choosing our services.

USER: Welcome.