You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from IAD to LAX, can you help me out?

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates are from Jul 30th till Aug 1st.

ASSISTANT: Do you have any specifications?

USER: Please check the return flight in morning.

ASSISTANT: May I know your good name?

USER: Myself Melissa Collins.

ASSISTANT: Is there any class preference?

USER: I am ok with any class.

ASSISTANT: We found a flight in Frontier airlines, flight number is 1005 with single connection and price is 100 economy class, arrival time at morning 4:00 hours. Shall I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.