You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking my flight ticket from DFW to EWR to meet my parents.

ASSISTANT: Sure, I will be helping with the reservation, can you please mention your name.

USER: I am Alexander Roberts.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are Nov 07-09.

ASSISTANT: Do you need any specification?

USER: I prefer to fly in connected flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There are no flight tickets available on your journey dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching our service.