You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Brenda Thomas. I am planning to book a ticket from IAH to HOU. Can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am planning to travel on May 08 and return back on May 10.

ASSISTANT: At what time do you like to travel?

USER: My depart time is morning and return time is evening.

ASSISTANT: Do you have any specification?

USER: I am looking for a connecting flight.

ASSISTANT: Sorry, there is no flight on your details.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for choosing us.