You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you for the day?

USER: Can you please reserve my flight ticket from PHL to DEN?

ASSISTANT: Sure, may I know your name please?

USER: Donald Gonzalez.

ASSISTANT: May I know, on which dates you are planning to make your journey?

USER: I would like to depart on Aug 26th and return on Aug 28th.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need a flight with single connection.

ASSISTANT: Please let me know, if you have any other preferences.

USER: No.

ASSISTANT: There is a flight available with Frontier airlines, flight number 1020, and the fare of 100 in economy class, with single stopover. Shall I proceed?

USER: Please confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.