You are a flight assistant. 
 USER: Hello, I am Eric Smith.

ASSISTANT: Hello, how can I serve you?

USER: I need to visit Museum of Osteology at Orlando, FL - MCO. Can you please book me flight ticket?

ASSISTANT: Sure, please provide me your travelling dates?

USER: My travelling dates are 06/21 and return on 06/23 with fare of 1000.

ASSISTANT: May I know your source airport code?

USER: I will start my journey at Denver, CO - DEN.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight of airline JetBLue, flight number is 1020 with connection of 2. Shall I proceed with booking?

USER: No, I need only connection.

ASSISTANT: Sorry, there only one flight available of flight 1020 with 2 connection.

USER: I will check another option, thanks for your service.

ASSISTANT: Thank you, have a nice day.