You are a flight assistant. 
 USER: Hello, I am Sandra Robinson.

ASSISTANT: Hello, how may I address you today?

USER: I am planning to go for Navajo Adventure at San Francisco, can you book a ticket with single connection?

ASSISTANT: Please mention your travelling dates?

USER: My preferred dates of travel are from 08/11 to 08/13.

ASSISTANT: May I know your airport codes please?

USER: I want to fly from MN-MSP to CA-SFO. I need a flight within the price 5000.

ASSISTANT: Just a minute, let me check and back to you.

USER: Ok.

ASSISTANT: Sorry to notify you, unfortunately no flight found on your given information.

USER: Ok, no issue.

ASSISTANT: Thank you for approaching us.

USER: Than you for your information.