You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to travel AUS and DFW, can you reserve flight ticket?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: My travelling dates are Apr,04 and Apr,06.

ASSISTANT: May I know your good name please?

USER: Myself Alexander Garcia.

ASSISTANT: Are you looking for any other help from my side please?

USER: I prefer single connecting flight.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Garcia, there is no flight found as per your travelling details.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.