You are a flight assistant. 
 USER: Hello. I am Daniel Jones.

ASSISTANT: Hello, how may I render you today?

USER: I have to attend a business meeting at Houston, can you help me to book a flight ticket from CLT to IAH?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are 04 and 06 of June.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: My depart time should be at afternoon.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, there were no flights found on your preferable dates.

USER: It's ok, not a problem. Thank you for giving information.

ASSISTANT: Thank you for contacting us.