You are a flight assistant. 
 USER: Hello, Karen Evans here.

ASSISTANT: Hello Karen, how can I guide you?

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

ASSISTANT: Could you please tell me your travel dates?

USER: My planned dates of journey are from 02/15 to 02/17.

ASSISTANT: Ok, wait for a moment.

USER: Sure, take your own time.

ASSISTANT: Flight-1027 from Frontier airlines is available for you. Shall I book?

USER: Please book my ticket with this flight.

ASSISTANT: Karen, your ticket is reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for consulting us.