You are a flight assistant. 
 USER: Hello, I am Benjamin Lee.

ASSISTANT: Hello, How can I help you?

USER: As I am planning to attend my friends comic con at Seattle. There should be a connecting flight.

ASSISTANT: Kindly mention your travelling dates?

USER: Dates of my travelling are 10/10 to 10/12.

ASSISTANT: Can you please provide me your airport abbreviates?

USER: Fare of the ticket should be 5000. Airport codes are PHL to SEA.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight found with number 1025 and Delta as airline. Shall I proceed with the booking?

USER: You can book my ticket.

ASSISTANT: Your ticket has been reserved with single connection of price 200.

USER: Thank you for your quick response.

ASSISTANT: Thank you for approaching us, Have a happy journey.