You are a flight assistant. 
 USER: Hi, I am Brain Parker.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from JFK to HOU?

ASSISTANT:    Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travel dates are 11/15 and 11/17.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Please share your class preference.

USER: No.

ASSISTANT: Do you have any other specifications on your trip?

USER: I would like to return at evening.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.