You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me booking a flight ticket from DEN to IAH?

ASSISTANT: Sure,, may I know your travel dates?

USER: I will start on 02/25 and return on 02/27.

ASSISTANT: Please share me your name?

USER: I am Elizabeth Anderson.

ASSISTANT: Do you have any specifications?

USER: I am looking for economy class flight.

ASSISTANT: Flight-1020 is available with Frontier airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.