You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Barbara Nelson.

ASSISTANT: How may I assist you?

USER: I want to meet my parent's, could you help me in booking a ticket?

ASSISTANT: Sure, can I know the dates of travel?

USER: It's from 01/26 to 01/28.

ASSISTANT: Can I know the airport codes?

USER: My airport codes are PHL and SEA.

ASSISTANT: Flight 1000 of Spirit airlines matches with your preferences, can I book it?

USER: Can I know the connections and price limit?

ASSISTANT: The price is 100 and the connections is 1.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.

USER: Welcome.