You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a direct flight from DFW to SFO. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your name please to proceed further?

USER: My name is Brenda Clark.

ASSISTANT: Can I know your desired airport codes please?

USER: I have already mentioned it earlier.

ASSISTANT: Please share your desired travel dates?

USER: I am planning my journey on dates 12/19 and 12/21.

ASSISTANT: There is a flight with connection limit 0 and fare 100, is it ok for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked, flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: Your airlines is Frontier. Thank you for opting us.