You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to celebrate the Flowers Festival in DFW, can you please help me in booking a flight ticket from IAH?

ASSISTANT: May I know your desired travel dates please?

USER: I would like to fly on June 22 and return on June 24.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the afternoon time.

ASSISTANT: May I know your name please?

USER: Myself Rebecca Garcia.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.