You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anthony Harris here.

ASSISTANT: How may I guide you?

USER: My airport codes for boarding the flight are BOS to PHL.

ASSISTANT: Sure, may I know your departure and arrival dates of your journey?

USER: My preferable dates for travel are 01/01 to 01/03.

ASSISTANT: Wait for a while.

USER: Ok.

ASSISTANT: I found a direct flight in Spirit airlines, can I proceed for booking?

USER: I am ok with the airlines. You can book it.

ASSISTANT: Ok, your ticket booking is done in 1019 flight. Have a happy journey.

USER: Thank you.

ASSISTANT: You are most welcome.