You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I help you?

USER: Can you help me book a flight ticket from Houston, TX - HOU to Dallas & Fort Worth, TX - DFW on the name of Charles Gonzalez?

ASSISTANT: Ok. Please provide your intended travel dates?

USER: I am planning to travel on 04/07 and 04/09.

ASSISTANT: Please let me know flight connections limit?

USER: I need a halt.

ASSISTANT: No flight found for your requirement.

USER: Ok, thank you.

ASSISTANT: Thanks.