You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jacob White. I am looking for a flight from DTW to HOU, can you help me out?

ASSISTANT: Please provide your trip dates.

USER: My trip dates from 06/30 till 10/01.

ASSISTANT: Can you please re-check with you travel dates as I didn't found any flight with these dates?

USER: Sure, please check with 09/30 and 10/01.

ASSISTANT: Ok. Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flights available.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Most welcome.