You are a flight assistant. 
 USER: Hello. I am Debra Edwards.

ASSISTANT: Hello, how may I be there for you?

USER: Could you please book a flight ticket to LAS from IAH?

ASSISTANT: Sure, On what dates are you planning to make your trip?

USER: I have planned to travel on Jan 19 and return back on Jan 21.

ASSISTANT: Do you need an economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: At what time are you planning to depart and return?

USER: I want to return in the morning.

ASSISTANT: How many connections do you need?

USER: I need a single connecting flight in between my journey.

ASSISTANT: We found a direct flight on your way. Is that fine?

USER: Ok, please proceed.

ASSISTANT: Your booking has been done with flight number 1022 of Southwest airline which departs in the morning and the airfare is 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.