You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you now?

USER: I am Mark Moore, need to book a ticket to MI-DTW. Can you please help me in booking from NY-LGA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: When you are going to start your journey?

USER: I would like to start on 12/22 to reach Detroit.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: What is your return date?

USER: 12/24 is my return date.

ASSISTANT: We found a connecting flight. Is it comfortable to you?

USER: As I need to attend meeting with my client compulsorily so, I am comfortable to travel.

ASSISTANT: Ok. Reservation has been done.

USER: Thank you.

ASSISTANT: Thank you.