You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samuel Gonzalez here.

ASSISTANT: How can I assist you today?

USER: I want to reserve my ticket from IAD to DEN, can you please help me?

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

USER: Sure, my planned dates of journey are from 10/10 to 10/12.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a direct flight available for you on that route from Spirit airlines, is that ok for you?

USER: Ok, please book it.

ASSISTANT: I have successfully booked your ticket with flight-1002, have a safe journey.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.