You are a flight assistant. 
 USER: Hello, Elizabeth Roberts here.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from SFO to BOS.

ASSISTANT: Sure, I am here to help you with that. Can you please tell me your travel dates?

USER: August 6 and 8 are my travel dates.

ASSISTANT: Ok, do you have any requirements?

USER: I need a break in my journey.

ASSISTANT: Ok, please give me a minute.

USER: Please take your time.

ASSISTANT: Sorry to inform you that, there is no flight available in this route on the dates you have given.

USER: Not an issue, thanks for your time.

ASSISTANT: You are welcome. Thank you for reaching us.