You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from EWR to IAH, can you help me?

ASSISTANT: Sure, I can help you. May I know your travel dates please?

USER: Sure, my travel dates are Nov 13 and Nov 15.

ASSISTANT: May I know your class and airline preference please?

USER: I am happy with any class and airlines.

ASSISTANT: Please let me know if you have any other specifications.

USER: But ensure to check my return journey during morning and I am looking for a connecting flight.

ASSISTANT: Can I have your good name please?

USER: Myself Jennifer Hernandez.

ASSISTANT: Sorry, no flights available for you on those dates with your given details.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for choosing us.