You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emily Gonzalez here.

ASSISTANT: How can I help you?

USER: Could you be my helping hand in booking a flight ticket from DFW to IAH?

ASSISTANT: Sure, I will help you in making a plane reservation.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 12/06 - 12/08.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single flag stop.

ASSISTANT: Is there any other specifications, please let me know?

USER: No, thank you for asking.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.