You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Donald Jackson. I would like to visit Death Valley Adventure at Minneapolis, can you please book me a ticket?

ASSISTANT: Sure, may I know your dates of travel?

USER: I would like to leave between 07/31 and 08/02.

ASSISTANT:  Can you please share your airport codes?

USER: My airport codes are from JFK to MSP.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for opting us.