You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: Brian Johnson this side, please search if any flights available from OAK to LAX, I have a urgent meeting at Los Angeles, can you please help me?

ASSISTANT: Sure, Brian Johnson, we are at your service. Could you please assign your journey dates?

USER: Yes, my departure date is 05/20 and return date is 05/22.

ASSISTANT: Ok, please wait.

USER: Take your time.

ASSISTANT: Thanks for your patience, we found a Hawaiian airline with a single connection. The fare is 100.

USER: Ok, it is perfectly meeting my requirement, please reserve one seat for me.

ASSISTANT: Ok, your ticket has been booked with flight number of 1020.

USER: Thank you for your help, I appreciate your service.

ASSISTANT: My pleasure to help you, have a safe journey.

USER: You are welcome.