You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sandra Turner.

ASSISTANT: Turner, how may I render you?

USER: I am planning to visit Philadelphia, can you please book me a ticket from BOS to PHL?

ASSISTANT: Please share your itinerary dates.

USER: My itinerary dates are from 03/21 to 03/23.

ASSISTANT: Please hold on for a while.

USER: Sure, take your own time.

ASSISTANT: Delta airlines with flight 1021 is available on your route with a connecting flight and ticket costs you 200.

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.