You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Jennifer Lee here. Reserve a flight ticket to Houston as I have to attend the farewell function at my college. I will fly there from SFO- IAH.

ASSISTANT: Can you provide your travel dates?

USER: Sure, my journey will begin on 12/27 and end on 12/29.

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

USER: Did you find the flight with one connection?

ASSISTANT: No, sorry for the trouble.

USER: That's ok. I will try with other airlines. Not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.

ASSISTANT: Most welcome.