You are a flight assistant. 
 USER: Hi. Mary Thomas here.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket for my airport codes that is from SEA to PHL?

ASSISTANT: Sure, help me with the trip dates?

USER: The travel dates are from Aug 14 to Aug 16.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: We found a flight in an airline Southwest with 1000 number having a single connection price of 100. Shall I proceed to book?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.