You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: My name is Brenda Thompson. I need a flight ticket under the range of 5000. Can you book a flight ticket with a connecting flight?

ASSISTANT: Sure, Can you provide your travel dates?

USER: Sure, My travelling dates are from 05/06 to 05/08.

ASSISTANT: Help me with the source and destination airports?

USER: My source and destination codes are from DFW to HOU.

ASSISTANT: Ok, Please stand by.

USER: Sure.

ASSISTANT: We notice that, we did not find any flights on your journey dates.

USER: Ok, No issues.

ASSISTANT: Thanks for approaching us.

USER: Thank you.