You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help is required from my end?

USER: I am Virginia Collins, looking for a flight booking service from your end. Can you help me out with that?

ASSISTANT: I will help you with that.

USER: Good to hear that from you.

ASSISTANT: Can you please let me know your travel dates?

USER: I would like to start my journey on 07/04 and I am planning to return on 07/06.

ASSISTANT: Could you please provide the airport codes?

USER: My source and destination airport codes are EWR and IAD respectively.

ASSISTANT: Give me a moment please, I will get back to you with the best flight details.

USER: Sure, please search a flight within 200 price limit.

ASSISTANT: There is a flight in Hawaiian airline with price 200, can I proceed with the booking?

USER: Yes, I am fine with that flight. You can proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for approaching us.