You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to meet my client in New York, can you help me in booking a ticket?

ASSISTANT: Yes definitely. Please provide your preferred travelling dates.

USER: My travel dates are 02/04 and 02/06.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from HOU to JFK.

ASSISTANT: You have no flights on your preferred dates. May I know your name please?

USER: Myself Karen Martinez. No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.