You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in reserving a flight ticket to IAH from IAD?

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

USER: My travel dates are from Mar 20 to Mar 22.

ASSISTANT: May I know the connection limit for this journey?

USER: I need a connecting flight.

ASSISTANT: May I know the timings for this journey?

USER: I would like to depart in the afternoon.

ASSISTANT: Please provide me the name.

USER: I am Carolyn Garcia.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.