You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Edwards.

ASSISTANT: How may I assist you Melissa.

USER: Can you help me in booking on 10/10 to 10/12?

ASSISTANT: Sure, I will help you. Can you please provide your travelling airport codes?

USER: My source is DTW and destination is IAD.

ASSISTANT: Ok, please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you?

USER: You can reserve it.

ASSISTANT: Ok, your seat has been reserved in flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.