You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Williams here.

ASSISTANT: Barbara Williams, how can I render you today?

USER: I want to reserve my ticket from BOS to IAH, can you please help me out?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Sure, my preferable dates of journey are from Feb, 22 to Feb, 24.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you. I found a flight for you with Spirit Airlines and it costs you 100. Shall I proceed to reserve a seat in this single connecting flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with 1020 flight number.

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

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.