You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samuel Nelson this side.

ASSISTANT: Nice to meet you. How can I help you?

USER: I would like to visit Oakland in the month of March, so can you book me a flight?

ASSISTANT: Sure. May I know the flying and landing dates?

USER: Sure, they are from 03/27th to 03/29th.

ASSISTANT: I need the origin and destination airport codes for booking, can you share?

USER: My source airport code is EWR and my designation airport code will be OAK. Please make sure if the price is within 500.

ASSISTANT: I found a flight with airline AA and connection is 0. The fare is 100. Can I book it?

USER: Sorry, I would prefer flight with 1 connection only. Thanks for helping me.

ASSISTANT: Ok. Thank you for contacting us.

USER: You are welcome.