You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Daniel Campbell, can you help me to book afternoon flight from JFK?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Sept 09 and 11.

ASSISTANT: Do you prefer economy or business class?

USER: I am ok with any class.

ASSISTANT: At what time do you like to depart and return?

USER: I have already mentioned above.

ASSISTANT: Where would you like to go?

USER: Please book a connecting flight to IAH.

ASSISTANT: Sorry, there is no flight on your details.

USER: No issues, thank you for your time.

ASSISTANT: Thank you.