You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Samantha Adams from Washington. Can you please help me in booking a flight ticket from IAD to LAS?

ASSISTANT: Sure, can you please forward your journey dates?

USER: I want to fly on Nov 24 and return on Nov 26.

ASSISTANT: Do you have any airlines preference?

USER: I am comfortable with any airline.

ASSISTANT: Can you please mention your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, thank you for your details, please be on hold.

USER: Ok.

ASSISTANT: We found a Southwest airlines, departure at  afternoon and arrival at morning, class economy, connection 1, price is 100. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with 1027 flight number.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a safe journey.