You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for Arts and crafts festival at Dallas, can you please book a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: My planned dates of travel are from 08/19 to 08/21.

ASSISTANT: To proceed booking I need your airport codes.

USER: My source is at IL-ORD and destination is at TX-DFW.

ASSISTANT: Please provide your name.

USER: I am Alexander Nelson.

ASSISTANT: Thanks for waiting, there is a flight with airline: Jet Blue, price 100, flight number 1011, 1 connection.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.