You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me with flight ticket booking from MSP to PHL?

ASSISTANT: Sure. Can I know your travelling dates?

USER: Thank you. I have planned my travel dates as May 21 and May 23.

ASSISTANT: Is there any airline preference?

USER: No, I am ok with any airlines.

ASSISTANT: Let me know your departure and arrival timings.

USER: I am not particular about timings as my trip is casual trip. So please go with available timings.

ASSISTANT: Do you have any class preference?

USER: No, I am ok with any class.

ASSISTANT: Can I know your name?

USER: Sure, myself Paul Brown.

ASSISTANT: Is there any connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Found ticket with airline Spirit for price 100 having flight number 1019.

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: Most welcome.