You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Samantha Mitchell.

ASSISTANT: Yes, Samantha.

USER: Me and my friends want to visit a Dallas Arboretum and Botanical Garden it is in Dallas, can you please book a flight ticket from CLT to DFW?

ASSISTANT: Sure, please provide your dates of travelling?

USER: My departure day is 04/24 and can you please book a return flight ticket on 04/26.

ASSISTANT: Please, wait a moment. There is a flight with Southwest airlines,and flight number is 1000. Can I proceed?

USER: Please book this flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.