You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please checkout is there any flight available between BOS and IAH?

ASSISTANT: Sure, let me know your travel dates to check further?

USER: Thank you, my boarding is on Aug 19 and please book my return ticket on Aug 21.

ASSISTANT: Do you have any preferences for your journey?

USER: I would prefer single connection. That's all.

ASSISTANT: Can you share your name please?

USER: Sure, my name is Barbara Evans.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1023 for fare 200, shall I proceed?

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.