You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Betty Johnson. Could you help me with booking ticket from JFK to HOU, to meet my sister on her birthday.

ASSISTANT: Betty Johnson, I am here to help you for this. Could you please share me your travel dates?

USER: Ok, my journey dates are from Apr 27 to 29.

ASSISTANT: Do you have any airline preference?

USER: No, I want to return in the afternoon time and departure in the evening.

ASSISTANT: Is there any other requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you very much for contacting our agency.