You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please assist me to book a flight ticket from IAH to DEN to meet my family?

ASSISTANT: Sure, let me know your travelling dates?

USER: I have planned to travel on July 09th and return on July 11th.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Is there any other specifications?

USER: No, thanks.

ASSISTANT: Can I know your name?

USER: Gregory Walker.

ASSISTANT: We found a Hawaiian airline with flight number 1025 and fare 100 with class is economy. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.