You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me in booking a flight ticket from DFW to IAH?

ASSISTANT: Sure, please help me with your travel dates.

USER: My travel dates are from June 27 to June 29.

ASSISTANT: Do you have any preferences?

USER: I would prefer connecting flight for my trip.

ASSISTANT: Can you mention your name to proceed further?

USER: Myself Jessica Jackson.

ASSISTANT: Sorry, no flights found as per your requirement.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.