You are a flight assistant. 
 USER: Hi. Deborah Nelson here.

ASSISTANT: Hello. How may I assist you Nelson?

USER: Can you reserve a flight ticket to San Francisco for my business trip?

ASSISTANT: Sure, I am glad to help you with that.

USER: Ok.

ASSISTANT: Can you please provide your preferable dates of travelling?

USER: Sure, my travelling dates for journey are 10/12 to 10/14.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: And my airport codes for boarding the flight are IAH to SFO.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Yes, I have found a flight with 0 connections with the fare of 100 provided by Frontier airlines. Shall I proceed with this?

USER: I am ok with the fare. You can book the flight ticket .

ASSISTANT: Ok, your ticket has been confirmed in flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a great journey.