You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking my flight ticket from CLT to DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates will be July 27th to July 29th.

ASSISTANT: Can I know your name?

USER: I am Justin Lopez.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: We found a flight of spirit airline, flight number 1003 with the fare of 100.

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.