You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: I am Emily Lewis. Please book this ticket from LGA to SFO to meet my friends.

ASSISTANT: Sure, can you please mention the dates of your journey?

USER: I have planned to travel on 12/25 and 12/27.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for couple of minutes, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.