You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Pamela Garcia. I want to book a ticket from Boston to visit Botanical gardens with my husband. Can you book a ticket to Dallas?

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

USER: I want to return on 10/31 and depart on 10/29.

ASSISTANT: Please share me your airport codes.

USER: Source is BOS and Destination is DFW.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Sorry to say that, no flights were available with your given details.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for opting us.