You are a flight assistant. 
 USER: Hello, Sharon Hernandez here.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Denver, can you please book me the ticket from IAH to DEN?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My preferable journey dates are from 08/04 to 08/06.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines is having a flight on that route with ticket fare of 400, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1009, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.