You are a flight assistant. 
 USER: Hello, I am Brian Lopez.

ASSISTANT: Hello, how may I guide you today?

USER: I want to enjoy in Philadelphia pub crawl with my cousin. Can you please book a ticket on 06/25?

ASSISTANT: Brian Lopez, may I know your travel codes?

USER: Sure, my nearest boarding airport is Minneapolis & St. Paul, MN - MSP.

ASSISTANT: What is your returning date from this journey?

USER: My destination airport code is PA - PHL.

ASSISTANT: What is your returning date from this journey?

USER: I want to return on 06/27.

ASSISTANT: Give me a moment to check the availability for you.

USER: Sure.

ASSISTANT: Flight-1001 is available for you with 1 connection at the price of 100, can I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with Spirit airlines.

USER: Thanks for booking.

ASSISTANT: Thank you for reaching our assistance.