You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Dennis Edwards, help me to book a flight from Seattle WA, SEA to meet my friend on his birthday. Can you book a flight under fare of 500?

ASSISTANT: Sure, may I know your travel dates?

USER: I will fly on 11/22 and return on 11/24.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1012. Shall I book this ticket.

USER: Sure.

ASSISTANT: Your ticket has been booked. Thank you.

USER: Thank you for helping me with booking.