You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Samantha King here.

ASSISTANT: How can I guide you King?

USER: I want a flight ticket to Seattle. As I am travelling to Houston to collect my graduation certificate. So I will fly from IAH  to SEA.

ASSISTANT: Please mention your preferable dates of trip.

USER: I will be travelling from 12/14 and 12/16.

ASSISTANT: Hold on for a moment please.

USER: Ok.

ASSISTANT: Yes King, Spirit airlines with flight 1015 available for you. Shall I book?

USER: Sure, you can book this flight.

ASSISTANT: Your booking is done successfully with single connection flight.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.