You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Michelle Thompson. Can you please book a flight ticket from HOU to PHL?

ASSISTANT: Sure, can I know your travel dates please?

USER: My travelling dates are from Apr 28 to Apr 30.

ASSISTANT: Do you need any specifications?

USER: I need a flight ticket with normal cost and single connection.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: I found an economy class ticket in an UA airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for opting us.