You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: Can you help me to book a flight from HOU to CLT?

ASSISTANT: Sure, can you please provide your preferable departure and return dates of travelling?

USER: My travelling dates are Mar 03 and 05.

ASSISTANT: Do you have any airline preference?

USER: I prefer normal cost airline.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am fine with any class.

ASSISTANT: Any connection limit do you have?

USER: I want to travel in a connecting flight.

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

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there are no flights available for your journey with your requested preferences.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us. Can I know your name please?

USER: My name is Amanda Phillips.

ASSISTANT: Ok Amanda Phillips, thank you for reaching us.