You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to make a flight ticket reservation from DFW to ORD, can you please help me?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Sure, my planned travelling dates are Jul, 05 and 07 respectively.

ASSISTANT: Do you have any other preferences?

USER: Yes, I am looking for direct flight.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Can I know your name?

USER: Sure, my name is Elizabeth Turner.

ASSISTANT: Thank you for contacting us.