You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Virginia Collins here, I want to reserve my ticket from HOU to EWR, can you please help me?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Sure, my dates of journey are from 04/18 to 04/20.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, I will wait.

ASSISTANT: Ok, there is a flight 1007 in AA airline matching your details with price 200. shall I proceed?

USER: Ok, you can book it.

ASSISTANT: Ok, your booking is done.

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

ASSISTANT: You are welcome, have a safe journey.