You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to reserve my ticket from IAH to LAS, can you please help me in booking?

ASSISTANT: May I know your travel dates?

USER: Sure, my planned dates of journey are from May, 24 to May, 26.

ASSISTANT: Do you prefer connecting flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Karen Lee.

ASSISTANT: We found a flight in an economy class with direct flight in Hawaiian airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, you can book it.

ASSISTANT: Your booking is done with flight number 1011.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.