You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Can you help me in booking from HOU to BOS, as there is a musical concert to attend?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates are Nov 5 to Nov 7.

ASSISTANT: Do you have any airline preference?

USER: I prefer a normal-cost airline.

ASSISTANT: Any connection limit do you have?

USER: I need a connecting flight.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please book on the name Ronald Taylor.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no normal cost airlines are available for your journey with your required preferences.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us, have a great day.