You are a flight assistant. 
 USER: Hello, Laura Nelson here.

ASSISTANT: Hello Laura. How can I assist you?

USER: I am a media journalist, I need to cover a political party meeting in San Francisco.

ASSISTANT: That's nice.

USER: Please book my ticket from OAK to SFO.

ASSISTANT: Ok, I will help you with that.

USER: I am leaving on 04/07 and 04/09.

ASSISTANT: Can I know your dates of travel?

USER: I can afford 200 for my ticket and I need a flight with 1 connection.

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there is no flight found matching your requirement.

USER: It's ok, thank you for helping me.

ASSISTANT: You are welcome.