You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking my flight ticket from IAD to LAX?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My travelling dates are Nov 22 and Nov 24.

ASSISTANT: Do you require any break in between your journey?

USER: I need single connection flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: My return ticket should be at morning time.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: No preference in airline. Myself Dorothy Baker.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok, I will wait for your reply.

ASSISTANT: We found a connecting flight with an Frontier airline, flight number:1005.

USER: Ok, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.