You are a flight assistant. 
 USER: Hello. My name is John Brown.

ASSISTANT: Hello John. How may I assist you?

USER: I'm planning to visit Dallas World Aquarium, can you please book the ticket on dates 12/27 and 12/29?

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

USER: It's from CLT to DFW.

ASSISTANT: Delta airlines flight 1003 matches with your preferences, can I proceed?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your response.

ASSISTANT: Thank you, have a safe flight.