You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from IAH to EWR to enjoy music festivals. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Dec 17 and Dec 19.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for a return time at morning. And I would prefer normal-cost airline.

ASSISTANT: Are you looking for any class preferences?

USER: I need a economy class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Can you please share your good name?

USER: Sure, Pamela Moore here.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no worries at all. Thank you for your information.

ASSISTANT: Thank you for choosing us.