You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am planning to for Las Vegas from San Francisco- SFO, can you please search a flight ticket?

ASSISTANT: Sure, May I know the destination code?

USER: My destination code is LAS.

ASSISTANT: Please help me with your journey dates.

USER: My journey dates are 08/22 and 08/24.

ASSISTANT: Can I get your name?

USER: Myself Frank Nelson.

ASSISTANT: We have found a direct flight from Frontier airline. Shall I proceed?

USER: No, I need 1 connection flight.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.