You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Ruth Johnson. I am planning to travel to meet my brother in Philadelphia, can you help me for booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: My source airport code is MSP and destination airport code is PHL.

ASSISTANT: On which dates your planning to fly?

USER: My planning dates are from 05/30 till 06/01.

ASSISTANT: I find a flight with single connection in Frontier airlines, can I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done in 1003 flight.

USER: Thank you for booking.

ASSISTANT: Thank you for using our service.