You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Alexander Hernandez. I have a urgent meeting in New York, could you help me in booking the ticket?

ASSISTANT: Sure. Please can you provide travelling dates?

USER: It's from SFO to EWR. The dates of travel are 06/29 to 07/01. Please make sure the connection is 0.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Sorry, there is no flight available for you as per your details.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: That's ok.