You are a flight assistant. 
 USER: Hello. My name is Barbara Anderson.

ASSISTANT: Hello, how can I oblige you today?

USER: I want to book a flight ticket from EWR to PHL. Please help me in booking a flight ticket.

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates are from 01/15 to 01/17.

ASSISTANT: Do you need a connecting flight?

USER: I need a halt in between my journey.

ASSISTANT: Can I know your airline preference?

USER: I need a normal-cost airlines.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, there are no flights found with the given travelling dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us, hope we serve you again.

USER: Most Welcome.