You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Baker.

ASSISTANT: How can I help you Baker?

USER: I am planning to visit Houston, IAH. Can you please book me a ticket from Chicago, ORD?

ASSISTANT: I understand your request and will be happy to help you. May I know on what dates you need booking?

USER: My planned dates of journey are from 04/14 to 04/16.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: According to your information, I have found a flight with  Spirit airlines and minimum fare of 200 with flight number 1023. Shall I proceed with this flight?

USER: Please book my ticket with this airlines.

ASSISTANT: Baker, your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.