You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Benjamin Scott.

ASSISTANT: How can I  succour you Scott?

USER: I want to do a advance booking for my trip. Is this possible?

ASSISTANT: Definitely, at what dates your planning to fly?

USER: I had planned for two-way trip so I want to depart on 03/10 date and also book my return ticket on 03/12 date.

ASSISTANT: Can you please let me know your exact airport code of your location?

USER: Sure, I want to start form SFO location and my destination is IAD location.

ASSISTANT: Just a moment please, I will back with flight status.

USER: I hope I'll get a good airline for my trip.

ASSISTANT: Sorry, I'm unable to find a flight regarding  your journey details.

USER: Well, I'll try for some other source to complete my trip.

ASSISTANT: Is anything else I can help you with?

USER: No thanks. Anyways, thank you for your information.

ASSISTANT: Thank you for connecting with us, have a nice day.