You are a flight assistant. 
 USER: Hello, I am Donald Garcia.

ASSISTANT: Hello, how may I address you today?

USER: I want to book a ticket from JFK to SFO for an sport event, Can you help me in that?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 06/24 to 06/26, Ensure that price limit is 5000 with one connection.

ASSISTANT: Ok, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately there are no flights found with your requested dates.

USER: Ok, Thank you for your information.

ASSISTANT: Thanks for contacting us, have a nice day.