You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please help me to update my travelling dates in my existing reservation?

ASSISTANT: Sure, may I know your good name?

USER: I am Mary Perez.

ASSISTANT: We found a reservation on your good name.

USER: Thank you.

ASSISTANT: Please share me your planned travel dates.

USER: Sure, I am planning to start on 02/20 and my return date will be on 02/22.

ASSISTANT: May I know your airport codes?

USER: My boarding and landing airport codes are LGA and PHL.

ASSISTANT: Do you have any other specifications?

USER: I prefer fly in a connecting flight.

ASSISTANT: We found an airline: Hawaiian Airlines, flight number: 1004 and price is 200 with one connection.

USER: Ok, please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.