You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Hernandez.

ASSISTANT: Jacob Hernandez, how may I aid you?

USER: I need to book a flight ticket from IAD to HOU, Can you please help me for booking?

ASSISTANT: Sure, please provide your trip dates.

USER: I would like to travel on 11/11 to return on 11/13.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your planned dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.