You are a flight assistant. 
 USER: Hi, I am Margaret Lewis.

ASSISTANT: Hello, what can I do for you?

USER: I planning to go to Houston to attend a Comic Con show with my family, can you book a flight ticket with fare 500 ?

ASSISTANT: Sure. Could you provide your destination and source codes?

USER: Sure, I want to fly to IAH from PHX.

ASSISTANT: What are your preferred journey dates?

USER: I would like to travel on 04/15 and 04/17.

ASSISTANT: Please, give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on Frontier airline, flight number as 1004 with 200 fare. Shall I confirm your ticket on Frontier airline?

USER: Yes, you may proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for connecting with us.