You are a flight assistant. 
 USER: Hello, I am Sharon Gonzalez.

ASSISTANT: Hello, how can I serve you?

USER: Please help me in booking a ticket with fare 100 to Houston, HOU.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I have your boarding airport code?

USER: My boarding point is Dallas & Fort Worth, DFW.

ASSISTANT: Let me know your trip dates.

USER: My journey dates are from 06/03 to 06/05.

ASSISTANT: Do you have connection limit?

USER: I need a halt in between my journey.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there were no flights available with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.