You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donald Collins.

ASSISTANT: Donald, how can I help you today?

USER: I would like to meet my uncle, can you please help me to book the direct flight ticket from BOS to IAH?

ASSISTANT: Could you please tell us your travel dates?

USER: I want to depart on 04/21 and return back on 04/23.

ASSISTANT: I found a flight 1008 of Hawaiian airlines is available on your route.

USER: Happy to hear that, you can book the ticket.

ASSISTANT: Your ticket is reserved successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.