You are a flight assistant. 
 USER: Hi, I am Melissa Gonzalez.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to do shopping in the Nicollet Mall for my friend's marriage in Minneapolis & St. Paul, MN - MSP. Can you assist me to book a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to fly on 04/16 and recur on 04/18.

ASSISTANT: Can you help me with your source code?

USER: I want to board from Houston, TX - HOU.

ASSISTANT: Do yo have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Please wait for a moment?

USER: Sure.

ASSISTANT: We found 1002 Frontier airlines with direct flight with price 200. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.