You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Pamela Green here, I want to reserve my ticket from BOS to SFO, can you please help me to book a ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my dates of travel is from 06/01 to 06/03.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry to say, no flights were available on your dates.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for connecting with us, have a nice day.