You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Michelle Harris, can you help me to book a flight ticket from JFK to HOU?

ASSISTANT: Sure, may I know your connection limit?

USER: Ok, please book a connecting flight.

ASSISTANT: Can you please share your planned travel dates?

USER: Ok, please book for the dates May 18 and 20th respectively.

ASSISTANT: Do you have any other requirements?

USER: Ok, please for the a flight which depart during afternoon timing for my journey.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for opting us.