You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you help me to book a flight ticket from AUS to EWR?

ASSISTANT: Sure, may I know your good name?

USER: Jessica Campbell here.

ASSISTANT: Is there any connection limit?

USER: I would prefer single connection.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Apr, 25 and Apr, 27 are my travel dates.

ASSISTANT: Do you have any class preferences?

USER: I prefer to travel in economy class.

ASSISTANT: Are there any more specifications?

USER: I would prefer to fly with normal cost airlines.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.