You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Pamela Davis.

ASSISTANT: How can I aid you?

USER: Could you please book a flight ticket in economy class to DFW from OAK?

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

USER: My travel dates are 22nd Oct and 24th Oct.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available as your wish.

USER: No problem, thank you for the information.

ASSISTANT: Anyways, thank you for reaching us.