You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: My friend is ready to come our home to enjoy the city. Can you help me to book a ticket for my friend?

ASSISTANT: Ok, may I know your name please?

USER: Sandra Allen here.

ASSISTANT: May I know your journey details please?

USER: My travelling dates are 03/20 and 03/22. Origin airport is HOU and destination airport is PHL.

ASSISTANT: Ok, please wait I will get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience, flight 1018, with Spirit airlines matches your specified details. The price is 100 with 1 connection. Shall I proceed?

USER: My exception are fulfilled. Please go ahead.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thanks for contacting us,.