You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Myself Timothy Mitchell. I want to visit Dallas next month, can you please book a flight ticket for me?

ASSISTANT: Sure, I can check the flight for you. Can you please let me know your preferred airport codes?

USER: Thanks, I want to fly from IAH airport and destination airport is DFW.

ASSISTANT: Ok, in which dates you are willing to travel?

USER: My departure date is 05/29 and return date is 05/31.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a UA airlines with connection limit 1 and the ticket fare is 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, I reserved your ticket to the flight number 1013.

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us.