You are a flight assistant. 
 USER: Hi. Donna Davis here.

ASSISTANT: Hello, how can I aid you?

USER: Can you please reserve me a flight ticket from DEN to SFO?

ASSISTANT: Sure, please provide your trip dates to book your ticket.

USER: My trip dates are 01/26 - 01/28.

ASSISTANT: Which type of airline you are looking for?

USER: I am ok to travel in an airlines.

ASSISTANT: Which class you are comfortable with business or economy?

USER: I do not have any class preferences.

ASSISTANT: How many connections you required between your journey?

USER: I need a single connection.

ASSISTANT: Do you need any other preferences?

USER: No, thank you for asking.

ASSISTANT: As you need there is a Hawaiian Airlines, flight number:1006, with one connection and price 200. Is that Ok for you?

USER: Please reserve.

ASSISTANT: Sure, your ticket has been reserved successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.